TM 9-2350-222-10-3
MAINTAIN MAIN GUN (ADJUST BREECH CLOSING SPRING TENSION) -
Continued
4. Set tension of breech
closing spring:
q To make breech close:
a. Place tips of spanner
wrench (A) into
holes of adjuster (K).
b. Pull spanner wrench
(A) straight back
until plunger (M)
clicks into notch 1.
q If breech does not lock closed:
a. Place tips of spanner
wrench (A) into
holes of adjuster(K).
b. Pull spanner wrench
back
(A)
until plunger (M)
clicks into notch 2.
q If breech still does not close:
a. Place tips of spanner
wrench (A) into
holes of adjuster ( K).
b. Pull spanner wrench (A)
back until
plunger (M) clicks into
notch 3. If breech must
be adjusted to notch 3,
notify organizational
maintenance.
5.
Open and close breech
to check that it is
operating smoothly
(page 2-496 and page
2-499). If necessary,
go to step 4 and adjust
spring again.
6.
Return wrench to stowage.
3-190
Change 3